<?php


    // Access Key
    $key = 'xxx';

    // Secret
    $secret = 'yyy';

    include('GoogleStorage.class.php');

    // create
    $gs = new GoogleStorage($key, $secret);

    // put file into system -> bucket name, object name (file name visible in google storage, path/to/file - file path to local file)
    $r = $gs->putObjectFile('bucketname', 'objectname', 'path/to/file');

?>
